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January 14th, 1932. Dr. Herman Schlundt, University of Missouri, Columbia, No. Dear Dr. Schlundt: With reference to the Wulf-Hess electroscopic used by the Public Health Service, I may say I have never used this instrument personally. Upon receipt of your letter of January 8th, I took occasion to write Dr. Ives to make inquiry as to whether they had determined the electrostatic capacity, as well as the voltage which corresponds to the scale readings, but Dr. Ives advises that they determined neither of these constants. Very truly yours, Vice President. HHBarker:RH

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    "ocrText": "January 14th, 1932.\nDr. Herman Schlundt,\nUniversity of Missouri,\nColumbia, No.\nDear Dr. Schlundt:\nWith reference to the Wulf-Hess electroscopic\nused by the Public Health Service, I may say I have never used this\ninstrument personally.\nUpon receipt of your letter of January 8th, I took\noccasion to write Dr. Ives to make inquiry as to whether they had\ndetermined the electrostatic capacity, as well as the voltage which\ncorresponds to the scale readings, but Dr. Ives advises that they\ndetermined neither of these constants.\nVery truly yours,\nVice President.\nHHBarker:RH"
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